Xiaomi Poco X7 Pro vs Samsung Galaxy A21s

Compared 2 smartphones : Xiaomi Poco X7 Pro Manufactured in January, 2025, with display 6.67 with chipsetMediaTek Dimensity 8400 Ultra, vs Samsung Galaxy A21s, Manufactured in June, 2020 with chipsetSamsung Exynos 850. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X7 Pro
  • Larger display: 6.67in
  • Higher pixel density: 446ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy A21s
  • Lighter design: 192g vs 195g

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB
- 2/32 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB

Review

Key Specs Xiaomi Poco X7 Pro and Samsung Galaxy A21s
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type AMOLED PLS TFT
Size 6.67 in 6.5 in
Resolution 1220x2712 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 446 ppi 270 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1400 nits 540 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 88.8 % 82.9 %
Features - DCI-P3
- Always-On Display
- DC dimming
n/a
Display test
Peak brightness (auto)
Xiaomi Poco X7 Pro
1268 nits
Samsung Galaxy A21s
487 nits
sRGB gamut99.6 %88.4 %
PWM (Flicker)120 Hz500 Hz
Response time1 ms30.4 ms
Contrast∞ Infinite1500:1

Design & Build

Design and ergonomics comparison
Height 160.75 mm (6.33 in) 163.6 mm (6.44 in)
Width 75.24 mm (2.96 in) 75.3 mm (2.96 in)
Thickness 8.29 mm (0.33 in) 8.9 mm (0.35 in)
Weight 195 g (6.88 oz) 192 g (6.77 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Green
- Yellow
- Black
- Blue
- Red
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Xiaomi Poco X7 Pro
88.8 %
Samsung Galaxy A21s
82.9 %

Performance

Testing Xiaomi Poco X7 Pro and Samsung Galaxy A21s In benchmarks
Processor
Chipset MediaTek Dimensity 8400 Ultra Samsung Exynos 850
Max Frequency 3250 MHz 2000 MHz
CPU Cores 8 (1 + 3 + 4) 8 (8)
Architecture - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
8/2 (Cortex-A55)
Process TSMC Samsung
Transistor Size 4 nm 8 nm
Neural Processor MediaTek NPU 880 No
Graphics Mali-G720 MP7 Mali-G52 MP1
GPU Cores 896 24
GPU Frequency 1300 MHz 850 MHz
FLOPS 2329.6 GFLOPS 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X7 Pro
1595
Samsung Galaxy A21s
484
Geekbench 6 (Multi-Core)
Xiaomi Poco X7 Pro
6333
Samsung Galaxy A21s
1523
Geekbench 6 (Single-Core)1595484
Geekbench 6 (Multi-Core)63331523
Geekbench Compute (GPU)10422n/a
AnTuTu 10
AnTuTu 10
Xiaomi Poco X7 Pro
1623938
Samsung Galaxy A21s
191375
CPU37809668748
GPU56374426807
Memory37853959210
UX30355936610
NanoReview Score1623938191375
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X7 Pro
n/a
Samsung Galaxy A21s
425
Max Surface Temp.n/a43.2 °C
Stabilityn/a98 %
Graphics Testn/a2 fps
Graphics Scoren/a425
PCMark 3.0
PCMark 3.0
Xiaomi Poco X7 Pro
n/a
Samsung Galaxy A21s
5429
Writing scoren/a5426
Web scoren/a4708
Video editingn/a5145
Data manipulationn/a3808
NanoReview Scoren/a5429

Memory

RAM
RAM Size 8 GB - 3 GB
- 4 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 4 2
Storage
Storage Capacity256 GB- 32 GB
- 64 GB
Storage TypeUFS 4.0eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 15 Android 10 (Upgradeable to Android 12)
OS Size n/a 12 GB
UI Skin HyperOS 2.0 One UI 4.1

Battery

Volume 6000 mAh 5000 mAh
Max Charging Power 90 W 15 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (50% in 17 min) Yes (50% in 60 min)
Full Charge Time 0:42 h 2:10 h
Battery Life Test
Battery Life
Xiaomi Poco X7 Pro
23:02
Samsung Galaxy A21s
25:00
Web Browsing10:29 h09:45 h
Video Playback15:22 h14:13 h
Games05:54 h05:34 h
Standby Mode93 h128 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (1080p) No
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
Bokeh effect
Main lens
Matrix50 MP48 MP
Aperturef/1.5f/2.0
Focal length26 mm26 mm
SensorSony IMX882Samsung S5KGM2
Sensor size1/1.961/2.0
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mmn/a
SensorSmartsens SC820CSn/a
Sensor size1/4.01/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 13 MP
Photo resolution 5184x3888 pixels 4128x3096 pixels
Aperture f/2.2 f/2.2
Focal length 21 mm n/a
Sensor Omnivision OV20B CMOS
Sensor size 1/4.0 1/3.1
Pixel size 0.7 μm 1.12 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1/2/4/5/6/8/19B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B5/B7/B8/B20/B28)
LTE categoryn/a13
5G SupportYesNo

Sound

Speakers n/a Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco X7 Pro
91.5 dB
Samsung Galaxy A21s
79.5 dB

Other

Class Mid-range Budget
Announced January, 2025 yr May, 2020 yr
Release Date January, 2025 yr June, 2020 yr
Launch Price ($) n/a 200
MSRP ($) 299 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W n/a

Note

Xiaomi Poco X7 Pro:

The eco-leather version is thicker at 8.43 and weighs 198 grams.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Poco X7 Pro the clear winner in this comparison.

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